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английский) 2:
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The crown, neck and root up the tooth.
Place the transition of the crown to the root is called the neck.
The enamel - the hardest part of the human body.
Cement is connected to the enamel at the neck of the tooth.
Dentin is very sensitive to pain.
Unlike other tooth structure, pulp - is a loose tissue .
The tooth root is held in the gums and periodontitis.
The alveolar process is covered with a soft cloth, called gums.
Periodontal membrane acts as a shock absorber.
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